• Animal Compares Ingestion Digestion, Excretion across Phyla The Study of Life Ms. Andrews
• Important words and concepts from Chapter 33, Campbell et al., 1999 (5/9/01) Stephen T. Abedon Biology 113 Ohio State University a number of different systems with diagrams
• Methods of Respiration The Respiratory System Comparative diagrams On-Line Biology Book M.J. Farabee Estrella Mountain Community College
• Digestive System Comparative diagrams On-Line Biology Book M.J. Farabee Estrella Mountain Community College
• Circulatory System Comparative diagrams On-Line Biology Book M.J. Farabee Estrella Mountain Community College
• Nervous Systems Comparative diagrams On-Line Biology Book M.J. Farabee Estrella Mountain Community College
• Comparative Anatomy Auburn University

Chordata Phylum

All have (some in embryo) pharyngeal slits, dorsal nerve cords,notochords, cartilaginous rods, post-anal tails.

mammals (including humans), birds, reptiles, amphibians, fish and other vertebrates, but not all chordates are vertebrates.

• The Digestive Apparatus Henry Gray (1821-1865). Anatomy of the Human Body. 1918. Bartelby
• Digestive System Comparative Vertebrate Anatomy Gary Ritchison
• Variations on a Theme Specializations of Vertebrate An On-Line Course Covering the Curriculum of Ontario's Grade 11 Biology (SBI3A) J. David Moffatt Digestive Systems shark, herbivores, ungulates
• Birds in the Classroom
  • Digestion
  • Bird Digestive System
• Respiration in the Frog (Chordata amphibia) Westminster Secondary School Science Department
• The Circulatory System Comparative Anatomy Jon Armbruster
• Circulatory System Comparative Vertebrate Anatomy Gary Ritchison
• Invertebrate Form and Function Moonsail
• Respiratory System Comparative Vertebrate Anatomy Gary Ritchison
• Nervous System Comparative Vertebrate Anatomy Gary Ritchison

Echinodermata Phylum

calcareous endoskeleton,water vascular system ("tube feet"), pentameral fivefold symmetry

sea urchins, starfish, sea cucumbers

• Echinoderms Wonders of the Sea
• Starfish Digestion and Circulation (and Respiratory) Madreporite Nexus

Cnidaria or Coelenterata Phylum

radially or biradially symmetric,stinging cells called nematocysts

Sea anemones, corals, jellyfish, sea pens, hydra

• Internal features of the sea urchin Animalia - Echinodermata - Echinoidea Biodidac
• About Corals, Anemones, and their Kin Digestion Augsburg College, Department of Biology
• Cnidarians Wonders of the Sea
• Cnidaria Wikipedia

Arthropoda Phylum

joint-footed animals that possess a hard, armor-like outer

skeleton Arachnida, Insecta, Crustacea

Arachnids

eight-legged creatures

spiders, scorpions, and ticks

• Jumping Spider Digestive System W.Maddsion Tree of Life
• The anatomy of a spider Ed Nieuwenhuys
• Structure and habits of the spiders Mary Elizabeth Owens

Insecta

exoskeleton divided into three parts, three pairs of legs, one pair of antennae, compound eyes, and many adults are winged.

moths, stinkbug, ants, bees, beetles, butterflies, flies, grasshoppers, wasps

• Cockroach Digestive System Virginia Tech Entomology
• Digestive System Phylum Insecta Allen Ibara Menlo
• Insect Physiology Respiratory System Circulatory System Insect Physiology Department of Entomology NC State University
• Circulatory System Phylum Insecta Allen Ibara Menlo
• Grasshopper Respiratory System Virginia Tech Entomology
• Respiratory System Phylum Insecta Allen Ibara Menlo
• Grasshopper Nervous System Virginia Tech Entomology

Crustacea

hard bodies.

lobsters, shrimps,crayfish, crabs, and barnacles.

• Crustacea pdf Department of Biology at the University of Ottawa.
• Crustacean Circulatory System Department of Biological Sciences at the University of Southern Mississippi.
• Crustaceans Wonders of the Sea

Annelida Phylum

segmented worms

marine worms earthworms and leeches, polychaetes

• Earthworm Dissection Circulatory and digestive systems
• The circulatory system of an earthworm
• Digestion in the Worm Westminster Secondary School Science Department

Porifera Phylum

Sponges

Mollusca Phylum

a soft body which is often covered by a shell

Clams, Snails, Squids, Octopuses,sea slugs

• Digestive System - Dorid nudibranch. Seaslug Forum
• Blood and the Circulatory System in Gastropods (Snails) Archerd Shell Collection
• Nervous System of the Gastropod (Snails) Archerd Shell Collection
• Mollusks Wonders of the Sea

Nematoda Phylum

bilaterally symmetrical, worm-like organisms that are surrounded by a strong, flexible noncellular layer called a cuticle

• Digestive System Anatomy and Morphology Nematoda University of California Davis
• Sensory System Anatomy and Morphology Nematoda University of California Davis
• Reproductive System Anatomy and Morphology Nematoda University of California Davis

Platyhelminthes Phylum

bilateral symmetry

flatworms

• Flatworm- digestive and excretory systems
• Flatworm- reproductive and nervous systems